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Finding the Fourth Proportional to 66,695.60, 92,028.66 and 41,206.12

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Solution

The fourth proportional to 66,695.60, 92,028.66 and 41,206.12 is: 56,857.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,695.60 : 92,028.66 = 41,206.12 : x
  2. Step 2: Convert to fraction form
    66,695.60/92,028.66 = 41,206.12/x
  3. Step 3: Cross multiply
    66,695.60x = 92,028.66 × 41,206.12
  4. Step 4: Simplify right side
    66,695.60x = 3,792,143,622.80
  5. Step 5: Solve for x
    x = 3,792,143,622.80/66,695.60
  6. Step 6: Final answer
    x = 56,857.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.